diff --git a/src/splitInteger.test.js b/src/splitInteger.test.js
index a610317d..800cc9b6 100644
--- a/src/splitInteger.test.js
+++ b/src/splitInteger.test.js
@@ -4,18 +4,22 @@ const splitInteger = require('./splitInteger');
 
 test(`should split a number into equal parts
   if a value is divisible by a numberOfParts`, () => {
-
+  expect(splitInteger(8, 4)).toEqual([2, 2, 2, 2]);
+  expect(splitInteger(10, 5)).toEqual([2, 2, 2, 2, 2]);
 });
 
 test(`should return a part equals to a value
   when splitting into 1 part`, () => {
-
+  expect(splitInteger(8, 1)).toEqual([8]);
+  expect(splitInteger(15, 1)).toEqual([15]);
 });
 
 test('should sort parts ascending if they are not equal', () => {
-
+  expect(splitInteger(17, 4)).toEqual([4, 4, 4, 5]);
+  expect(splitInteger(32, 6)).toEqual([5, 5, 5, 5, 6, 6]);
 });
 
 test('should add zeros if value < numberOfParts', () => {
-
+  expect(splitInteger(3, 5)).toEqual([0, 0, 1, 1, 1]);
+  expect(splitInteger(2, 4)).toEqual([0, 0, 1, 1]);
 });